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प्रश्न
Give two natural sources of hard water.
उत्तर
Two natural sources of hard water :
- Water from springs
- River water.
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संबंधित प्रश्न
Give two examples for Efflorescent substance.
Define the Hard water.
Name the compound responsible for temporary hardness.
What do you understand by
Hard water
Explain with equation, what is noticed when permanent hard water is treated with Washing soda.
Differentiate between Hard & soft water with suitable examples.
Give balanced equations to show how permanent hardness in water can be removed by addition of washing soda.
Give reason for the following:
Washing soda can be used to remove both temporary and permanent hardness in water.
Using given sample of temporary and permanent hard water, soft water, ordinary soap, detergent and washing soda how would you distinguish between hard and soft water?
Temporary hardness of water can be removed by ________ of water.
